The Bose UB-20 Series II Wall/Ceiling Bracket features cast zinc construction and provides unobtrusive wall-mounting for Bose cube speakers. The UB-20 Series II allows for both horizontal and vertical adjustment of your mounted speaker for installation flexibility. This bracket is compatible with select Bose CineMate 520 home theater system, Sound Touch Stereo JC Series II Wi-Fi music system and CineMate Series II digital home theater speaker systems.